package com.yfp.common.core.utils;

import org.apache.commons.lang3.time.DateFormatUtils;

import java.lang.management.ManagementFactory;
import java.sql.Timestamp;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.*;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;
import java.util.Calendar;
import java.util.Date;

/**
 * 时间工具类
 *
 *
 */
public class DateUtils extends org.apache.commons.lang3.time.DateUtils
{
    public static String YYYY = "yyyy";

    public static String YYYY_MM = "yyyy-MM";

    public static String YYYY_MM_DD = "yyyy-MM-dd";

    public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";

    public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";

    private static String[] parsePatterns = {
            "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
            "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
            "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};

    /**
     * 获取当前Date型日期
     *
     * @return Date() 当前日期
     */
    public static Date getNowDate()
    {
        return new Date();
    }

    /**
     * 获取当前日期, 默认格式为yyyy-MM-dd
     *
     * @return String
     */
    public static String getDate()
    {
        return dateTimeNow(YYYY_MM_DD);
    }

    public static final String getTime()
    {
        return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
    }

    public static final String dateTimeNow()
    {
        return dateTimeNow(YYYYMMDDHHMMSS);
    }

    public static final String dateTimeNow(final String format)
    {
        return parseDateToStr(format, new Date());
    }

    public static final String dateTime(final Date date)
    {
        return parseDateToStr(YYYY_MM_DD, date);
    }

    public static final String parseDateToStr(final String format, final Date date)
    {
        return new SimpleDateFormat(format).format(date);
    }

    public static final Date dateTime(final String format, final String ts)
    {
        try
        {
            return new SimpleDateFormat(format).parse(ts);
        }
        catch (ParseException e)
        {
            throw new RuntimeException(e);
        }
    }

    /**
     * 日期路径 即年/月/日 如2018/08/08
     */
    public static final String datePath()
    {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyy/MM/dd");
    }

    /**
     * 日期路径 即年/月/日 如20180808
     */
    public static final String dateTime()
    {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyyMMdd");
    }

    public static final String parseLongToStr(final String format, final Long time)
    {
        return new SimpleDateFormat(format).format(new Date(time));
    }


    /**
     * 日期型字符串转化为日期 格式
     */
    public static Date parseDate(Object str)
    {
        if (str == null)
        {
            return null;
        }
        try
        {
            return parseDate(str.toString(), parsePatterns);
        }
        catch (ParseException e)
        {
            return null;
        }
    }

    /**
     * 获取服务器启动时间
     */
    public static Date getServerStartDate()
    {
        long time = ManagementFactory.getRuntimeMXBean().getStartTime();
        return new Date(time);
    }

    /**
     * 计算时间差
     *
     * @param endDate 最后时间
     * @param startTime 开始时间
     * @return 时间差（天/小时/分钟）
     */
    public static String timeDistance(Date endDate, Date startTime)
    {
        long nd = 1000L * 24 * 60 * 60;
        long nh = 1000L * 60 * 60;
        long nm = 1000L * 60;
        // long ns = 1000;
        // 获得两个时间的毫秒时间差异
        long diff = endDate.getTime() - startTime.getTime();
        // 计算差多少天
        long day = diff / nd;
        // 计算差多少小时
        long hour = diff % nd / nh;
        // 计算差多少分钟
        long min = diff % nd % nh / nm;
        // 计算差多少秒//输出结果
        // long sec = diff % nd % nh % nm / ns;
        return day + "天" + hour + "小时" + min + "分钟";
    }

    /**
     * 增加 LocalDateTime ==> Date
     */
    public static Date toDate(LocalDateTime temporalAccessor)
    {
        ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }

    /**
     * 增加 LocalDate ==> Date
     */
    public static Date toDate(LocalDate temporalAccessor)
    {
        LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
        ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }

    /**
     * 获取明天23点59分59秒时间
     * @return
     */
    public static Timestamp getTomorrow(){
        Calendar calendar = Calendar.getInstance();
        calendar.add(Calendar.DATE, 1); // 将当前时间增加一天
        calendar.set(Calendar.HOUR_OF_DAY, 23); // 设置小时为0点
        calendar.set(Calendar.MINUTE, 59); // 设置分钟为0
        calendar.set(Calendar.SECOND, 59); // 设置秒为0
        Timestamp lastTomorrow = new Timestamp(calendar.getTimeInMillis());
        return lastTomorrow;
    }

    public static Timestamp addDay(Timestamp timestamp, int day){
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(timestamp);
        calendar.add(Calendar.DATE, day); // 将当前时间增加一天
        calendar.set(Calendar.HOUR_OF_DAY, 23); // 设置小时为0点
        calendar.set(Calendar.MINUTE, 59); // 设置分钟为0
        calendar.set(Calendar.SECOND, 59); // 设置秒为0
        Timestamp lastTomorrow = new Timestamp(calendar.getTimeInMillis());
        return lastTomorrow;
    }


    /**
     * 与当前时间比较，是否小于7天以上
     * @param time
     * @return
     */
    public static boolean isExceedSevenDay(String time){

        // 定义日期格式
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");

        // 将字符串转换为 LocalDateTime
        LocalDateTime givenDateTime = LocalDateTime.parse(time, formatter);

        // 将 LocalDateTime 转换为时间戳 (Instant)
        Instant givenInstant = givenDateTime.toInstant(ZoneOffset.UTC);

        // 获取当前时间的时间戳
        Instant currentInstant = Instant.now();

        // 计算时间戳差值，以秒为单位
        long secondsBetween = ChronoUnit.SECONDS.between(givenInstant, currentInstant);

        // 判断是否小于7天 (7天 = 7 * 24 * 60 * 60 秒)
        if (secondsBetween > 7 * 24 * 60 * 60) {
            return true;
        }
        return false;
    }


}
